Update dependency @api3/contracts to v6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@api3/contracts	5.1.0 -> 6.0.0

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Release Notes

api3dao/contracts (@​api3/contracts)

### [`v6.0.0`](https://togithub.com/api3dao/contracts/blob/HEAD/CHANGELOG.md#600) [Compare Source](https://togithub.com/api3dao/contracts/compare/v5.1.0...v6.0.0) ##### Major Changes - [`44b57a4`](https://togithub.com/api3dao/contracts/commit/44b57a4): Removed dAPI and Market support from Sei devnet and added to Sei testnet (with the same alias) - [`44b57a4`](https://togithub.com/api3dao/contracts/commit/44b57a4): Removed dAPI and Market support from ApeChain "Jenkins" testnet and added to ApeChain "Curtis" testnet (with the same alias) ##### Minor Changes - [`44b57a4`](https://togithub.com/api3dao/contracts/commit/44b57a4): Add dAPI and Market support to camp-sepolia-testnet

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